Human Origins and the Sanctity of Life

Genesis is the first book of the Bible and contains two creation accounts. In Genesis 1, God creates humans after the other living creatures and makes them in his image. The image of God is not simply a claim that people physically resemble God: Christians understand it as giving humans a special dignity and connection with their creator.

Genesis 2 describes God forming Adam from the dust of the ground and breathing life into him. Eve is then formed from Adam's rib. Christians connect God's gift of life with belief in a soul, the spiritual aspect of a person.

Genesis 1:31 states: “God saw all that he had made, and it was very good.” This supports the belief that creation, including human life, is good and valuable. Because all people share their origin in God, their worth does not depend on wealth, popularity or usefulness to others.

Why Christians disagree about evolution

Christians regard the Bible as an authority, but they do not all interpret its creation accounts in the same way.

Literalist creationists understand Genesis as a factual account of God creating life directly. They reject evolution partly or wholly because it appears to conflict with that account. In particular, they believe humans were uniquely created in God's image, rather than developing from other species. For them, accepting an apparently contradictory explanation risks undermining biblical authority.

Other Christians understand Genesis as conveying religious truths rather than giving a scientific description. Its central message is that God creates and values life; its purpose is not to explain biological processes. These Christians can accept theistic evolution: God works through evolution to bring about life.

Many Christians therefore distinguish between science explaining how life developed and religion explaining why it exists. Catholic teaching accepts that evolution can be compatible with faith, while maintaining that the human soul comes from God. Accepting a biological explanation does not mean abandoning belief in a creator or in human dignity.

Darwin and natural selection

Charles Darwin explained evolution through natural selection in On the Origin of Species, published in 1859. Evolution explains how living populations change and how species develop over generations; it should not be confused with an explanation of how the very first life began.

Individuals within a species have different inherited characteristics. Where food, habitat or other resources are limited, some characteristics give an advantage. Organisms with those characteristics are more likely to survive and reproduce, passing the characteristics to offspring. Over many generations, advantageous characteristics become more common, and populations can become increasingly different.

Darwin studied finches on the Galápagos Islands whose beak shapes were suited to different foods. This helps make the mechanism concrete: a beak well suited to an available food source can help a bird obtain food and reproduce. “Survival of the fittest” means being best suited to a particular environment, not necessarily being the biggest or strongest.

Dawkins and non-religious explanations

Humanists and atheists generally accept evolution because it is supported by scientific evidence. They understand human development through natural processes without requiring a divine creator.

Richard Dawkins, a biologist and atheist, argues that natural selection explains why living things appear designed. A useful characteristic can become widespread because it helps organisms survive and reproduce; a designer need not have planned it. In The Selfish Gene, he emphasises the role of genes being passed on through generations.

Dawkins also challenges the claim that complexity must have a designer: if a complex world requires a creator, who designed the creator? Christians who accept evolution respond that natural selection can describe God's method rather than replace God. The disagreement is therefore not always about whether evolution happens, but about whether God is behind the natural process.

Sanctity of life and Christian diversity

The sanctity of life means that life is sacred because it comes from God. Christians see human life as a gift to protect, not merely something valuable when a person is healthy or independent.

In Jeremiah 1:5, God tells the prophet Jeremiah: “Before I formed you in the womb I knew you.” Although addressed to Jeremiah, Christians use this passage to support belief that God knows and values people before birth and has a purpose for their lives.

Catholics and Anglicans both affirm that life is sacred because God creates it. Catholic teaching explicitly calls for respect for human life from conception to natural death. Quakers emphasise the divine in everyone, encouraging respect for each person. These approaches share a concern for human dignity, even though Christians can disagree about how to apply it to particular ethical decisions. Jesus' care for the sick, poor and outcasts provides a practical model of valuing people whom others might overlook.

Humanists also regard life as precious, but not as sacred in a religious sense. They generally believe this is our only life, so making it meaningful and caring for others matter greatly. They ground moral responsibility in reason, empathy and concern for wellbeing rather than divine commands.

Is evolution incompatible with Christianity?

A literalist can argue that evolution conflicts with Genesis and threatens the belief that humans are a unique creation. A Christian who reads Genesis symbolically can reply that its religious message remains true even if humans developed through evolution. Dawkins goes further, arguing that natural selection removes the need for a designer.

A justified conclusion should distinguish these positions. Evolution conflicts with some literal interpretations of Genesis, but not necessarily with Christianity as a whole. Equally, accepting evolution does not itself prove belief in God: Christians and atheists can accept the same biological process while interpreting its wider meaning differently.

• Genesis 1: humans are made in God's image, giving them special dignity.
• Genesis 2: God forms Adam from dust and breathes life into him.
• Literalist creationists: direct creation; evolution appears to contradict Genesis.
• Theistic evolution: God creates through evolution; Genesis communicates religious truths rather than scientific detail.
• Catholic view: evolution can be compatible with faith; the soul comes from God.

Evolution and non-religious views

• Darwin: On the Origin of Species, 1859.
• Natural selection: inherited variation → different chances of survival and reproduction → advantageous traits become more common.
• Evolution explains the development of species, not the beginning of the first life.
• Dawkins: natural selection explains apparent design without a designer.
• Humanists and atheists generally accept evidence-based, natural explanations.

Value of life

• Genesis 1:31: creation was “very good”.
• Jeremiah 1:5: “Before I formed you in the womb I knew you.” Supports God's knowledge and purpose before birth.
• Christians: life is sacred because it comes from God.
• Catholics: respect life from conception to natural death. Quakers: emphasise the divine in everyone.
• Humanists: life is valuable without being God-given; reason, empathy and wellbeing guide morality.

Key distinction: accepting evolution does not automatically mean rejecting God or denying human dignity.